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The paper presents natural and anthropogenic causes changes of the Poland’s climate on the base of the meteorological data. It is diffi cult to distinguish anthropogenic climatic changes from the natural ones. The change of climate conditions in the 20th century resulted from the change of the character of atmospheric circulation (cyclonic south-western circulation) especially during winter and autumn...
The relationships between the yield and meteorological elements have been stated by the use of multiple regression model selection. Winter wheat yield was taken as dependent variable and three groups of meteorological elements were taken as independent variables. Simple meteorological elements belong to the fi rst group of independent variables; their nonlinear combinations (square, square root) belong...
The aim of the paper is evaluation of conformability between actual soil moisture appointed in laboratory and indices of soil moisture used in hydrology: Lambor’s anterior precipitation index (IL) and American index (Ia). The notation for soil moisture is taken from experiments conducted in Department of Agronomy experimental station in Chylice between April and November 2006. Statistical analysis...
In this paper a research was carried out on urban heat island intensity during heating seasons 2005/2006 and 2006/2007 considerably different in terms of meteorological conditions. Data coming from automatic gauguing stations published by WIOŚ were used for that purpose. A reference point for urban heat island intensity calculation was the data from regional background station in Legionowo. It was...
On the basis of daily measurements of the temperature and humidity, the state of the sky and the wind speed taken at noon (12.00 UTC) at the Lipnik meteorological station situated in the vicinity of lake Miedwie, the indexes of the sensible temperature (STI) and the weather evaluation (WEI tot) were calculated. In the region of the lake the following heat sensations occur most frequently: “chilly”...
The aim of the present paper is to analyse thermal conditions at the Zawady Experimental Farm (EF). The work utilises the results of measurements of average 24-hour air temperature from 2002–2006 obtained from an automatic meteorological station (geographical location: Hs – 150 m, φ – 52.06N, λ – 22.56E) situated in the Zawady EF. On the basis of the results of observations an average monthly air...
The aim of the study was comparison of chosen meteorological elements (air temperature, precipitation and global solar radiation) measured in the warm half-a-year with classic and automatic weather stations. Basing on the measurements three agrometeorological indexes (climatological water balance, evapotranspiration and standardized precipitation index) were calculated. With the obtained results,...
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